Revert "LiveWallpaper"

This reverts commit 01243283d82de099be86eee99450353ab4955787.
Revert "Undoing AOSP's De-Google-fication"

This reverts commit 68879c7745bafb78862f13da698491f26a8808ce.
Revert "Create LiveWallpaperPickActivity.java"

This reverts commit e19c2dd253b40f7517b643412c39cdf67f7d1115.
Revert "Create live_wallpaper_content.xml"

This reverts commit 98fc4724b7fd6b6f8df583b6b0b3c236667aab98.
Revert "Undoing AOSP's De-Google-fication"

This reverts commit 06f813488ebb324dadf613501dfcf625812e6301.